While working with high-load and high-lock contention NFSv4 with FreeBSD as the NFS client you may see this error and have the NFS mount hang: nfsv4 client/server protocol prob err=10026 Make sure your mount parameters do *not* include the intr keyword, per this PR: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=178231. We found this was especially true when using NFS appliances… Read more »
SOLVED: Performance Issues With FreeBSD ZFS Backed ESXi Storage Over NFS
Saturday, August 24, 2013
Update November 14th, 2016: This is an old article but my recommendation to hack the NFS file still stand even given how inexpensive small SSDs are. An SSD ZIL still delivers low performance with ESXi/NFS unfortunately. We have have a dual SSD ZIL setup on this file server, and without the NFS hack we still… Read more »